MEDIATEK Ralink MT7620 - Page 256

PGMT7620_V.1.0_040503
Page 256 of 523
MT7620 PROGRAMMING GUIDE
Integrated 802.11n MAC/BBP and 2.4 GHz RF/FEM Router-on-a-Chip
Bits
Type
Name
Description
Initial Value
23:16
RW
UNM_FFP
Unknown Multicast Frame Flooding Ports
If MAC receives multicast frames which can not
be found on the ARL, this field indicates the
flooding ports.
NOTE:
1. The flooding port will exclude the received
port by HW.
2. Frame dropped though UNM_FFP=6’b0.
0x7F
15:8
RW
UNU_FFP
Unknown Unicast Frame Flooding Ports
If MAC receives the unicast or multicast frames
which can not be found on the ARL. The field
indicates the flooding port.
NOTE:
1. The flooding port will excludes the received
port by HW)
2. Frame dropped though UNM_FFP=6’b0)
0x7F
7
RW
CPU_EN
CPU Port Enable
Enables the CPU port specified in CPU_PORT.
1’b0: No CPU port exists.
1’b1: Enable
0x0
6:4
RW
CPU_PORT
CPU Port Number
Sets the CPU port number.
3’h0: Port 0
…
3’h7: Port 7
0x0
3
RW
MIRROR_EN
Mirror Port Enable
Enables the mirror port specified in
MIRROR_PORT.
1’b0: No mirror available
1’b1: Enable mirror
0x0
2:0
RW
MIRROR_PORT
Mirror Port Number
Sets the mirror port number.
3’h0: Port 0
…
3’h7: Port 7
0x0
293. VTC: VLAN TAG Control Register (offset: 0x0014)
Bits
Type
Name
Description
Initial Value
31:18
-
-
Reserved
0x0
17
RW
MC_ARL_LKYV
Multicast Frame ARL Leaky VLAN Enable
1’b1: Use LEAKY_EN in ARL to control the
multicast frames.
1’b0: Use PVC.MC_LKYV_EN in Port Control
register to control the multicast frames
0x0